can you provide work/formulas you used as well, thank you!

Incorrect Question 2 0/1 pts A 90 day T-bill is trading at a price of 99.125. What is the discount yield? (Answer in percentage points to the third decimal, so 2.25% would be "2.250") 3.543 Incorrect Question 3 0/1 pts Which of the following is NOT an aspect of commercial paper? They are sold with no more than 270 days to maturity. Liquidity "dries up" beyond about 90 days to maturity, They are backed by a revolving line of credit, They can be issued by companies that have credit ratings of at least B("Single B)